涂料知识讲座

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1、PaintingOverview環境管制納入涂裝要求關鍵性管制設備過程操作/系統安全性涂料儲藏涂料儲藏溫度控制溫度10-35度先進先出安全性Premix環境Needkeeptheoverallenvironmentclean,routinepracticesshouldbefollowedtomaintainadustfreeenvironment.T/Hcontroltocorrelatewithpaintsupplyboothandsprayhouse’ssetting--SpecfromPPG--soastheviscositycanbeproperl

2、ycontrolled.Wellventilatedworkingandboothareas.工作場所通風良好OperatorHealth作業員健康PremixEquipment設備Agitator,thebetterwithdisturbfunction..調漆員﹐攪拌運作??StopWatch碼表WeightScale天平ViscosityCup粘度杯Shaker攪拌器Filter,thebetternorecycleusing過濾器最好不要重復使用Mask,smock,gloves,safetyglassetc.面罩﹐工作服﹐手套﹐防護眼睛等。Prem

3、ix制程BypaintsetupSOP/SIP/Recorddocumentsystemsetup.Alltools/containerneedcleanbeforeuse.Blendingpaint,hardenerandreduceraccordingtoPDS黏度量測前涂料要攪拌勻.量測涂料黏度时核對溫度記錄黏度﹐涂料溫度及攪拌時間CriticalApplicationControls黏度溫度涂料運輸噴涂攪拌混合溶劑TechnicalServiceSupportBasicSystemControls基本系統管制BoothTemperature(20-3

4、0C)溫度(20-30C)BoothHumidity(50-60%)儲藏室濕度(50-60%)RoomHumidity(45-65%)室溫濕度(45-65%)ConveyorSpeedFluidFlowandAirPressuresViscosityandTemperatureFilmBuilds噴涂??OvenTemperatures烤箱溫度Note:Inmostcasestheenvironmentisnotcontrolled.AgitationCriticalinmaintainingconsistentcoatingpigmentdispersio

5、nandviscosity.Ifpropercoatingagitationisnotachieved:CureorglossvariationscanoccurasaresultofimpropercatalystmixingPotentialpigmentsettlingresultinginglossvariationsInaccurateviscosityreadingsTwoComponentMixingCriticalinachievingpropercoatingcolor,cure,anduniformglossAutomatedmixing

6、equipmentrequiresroutinecalibrationchecks,byvolumeorweightIfcomponentsarenotblendedaccurately:Offcolorappearance色差Inconsistentglossappearance光澤不一致Inconsistentfilmcuring,notcompletelydry薄膜不一致﹐噴太濕Lackoffilmhardness膜硬度不足LossofperformancepropertiesPremixNoteViscositytobemeasuredafterco

7、mpletingagitation.RecommendationsonPPGprocesscontrolchart.Filtering,meshsizetoberecommendedbyTSSRofPPG.Oncebeingmixed,documenttimemixedforconsideringthepotlifeandpaintconsumption.Again,providedonPDSandProcessControlsheetsprovidedbyPPG.一旦混淆﹐文件條款規定保質期以考慮儲藏罐壽命及涂料使用量。再者﹐在PDS之上并由PPG提供程序

8、管制圖。ViscosityThedegreeofth